Arcosa (ACA) director adds phantom stock units in deferred fee plan

Rhea-AI Filing Summary

Arcosa, Inc. director reported acquiring additional deferred compensation tied to the company’s stock. On 12/31/2025, the director received 4 Arcosa Phantom Stock Units, each economically equivalent to one share of common stock, at a price of $106.32 per unit. Following this transaction, the director beneficially owns 7,396 phantom stock units. These units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees and will be settled in cash when the director’s service with Arcosa ends.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

LINDSAY JOHN W

(Last) (First) (Middle)

500 N AKARD ST. SUITE 400

(Street)

DALLAS TX 75201

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Arcosa, Inc. [ ACA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Arcosa Phantom Stock Units	$0	12/31/2025		A		4		(1)	(1)	Common Stock	4	$106.32	7,396	D

Explanation of Responses:

1. The Arcosa Phantom Stock Units were accrued under the Arcosa, Inc. Deferred Plan for Director Fees. Each share of phantom stock units is the economic equivalent of one share of common stock. The phantom stock units settle in cash upon the reporting person's termination of services with Arcosa.

Remarks:

	/s/ Mark Elmore, by Power of Attorney	01/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Arcosa (ACA) disclose in this Form 4?

The filing reports that an Arcosa, Inc. director acquired 4 Arcosa Phantom Stock Units on 12/31/2025 under a deferred compensation plan.

How many Arcosa phantom stock units does the director own after this transaction?

After the reported transaction, the director beneficially owns 7,396 Arcosa Phantom Stock Units, according to the filing.

What are Arcosa Phantom Stock Units mentioned in the ACA Form 4?

The filing states that each Arcosa Phantom Stock Unit is the economic equivalent of one share of Arcosa common stock and is accrued under the Arcosa, Inc. Deferred Plan for Director Fees.

How and when are Arcosa phantom stock units settled for the director?

The phantom stock units are disclosed to settle in cash upon the reporting person’s termination of services with Arcosa.

What price is associated with the Arcosa phantom stock units in this transaction?

The transaction shows a price of $106.32 per Arcosa Phantom Stock Unit for the 4 units acquired on 12/31/2025.

Is the reporting person a director or officer of Arcosa (ACA)?

The filing identifies the reporting person’s relationship to Arcosa as a Director, with the director checkbox marked.